Quickly please. 30°F8-3PROBLEMS•8-1. Determine the minimum horizontal force P8required to hold the crate from sliding down the plane. Thecrate has a mass of 50 kg and the coefficient of static frictionbetween the crate and the plane is µ, = 0.25.tlis8-2. Determine the minimum force P required to pushthe crate up the plane. The crate has a mass of 50 kg and thecoefficient of static friction between the crate and the planeis μ, -0.25.tl8-3. A horizontal force of P = 100 N is just sufficient tohold the crate from sliding down the plane, and a horizontalforce of P = 350 N is required to just push the crate up theplane. Determine the coefficient of static friction betweenthe plane and the crate, and find the mass of the crate.30Probs. 8–1/2/38le*8–4. If the coefficient of static friction at A is u, = 0.4and the collar at B is smooth so it only exerts a horizontalforce on the pipe, determine the minimum distance x sothat the bracket can support the cylinder of any masswithout slipping. Neglect the mass of the bracket.tltlfi100 mmfrfr200 mm

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•8-1. Determine the minimum horizontal force P required to hold the crate from sliding down the plane. The crate has a mass of 50 kg and the coefficient of static friction between the crate and the plane is µ, = 0.25.

•8-1. Determine the minimum horizontal force P required to hold the crate from sliding down the plane. The crate has a mass of 50 kg and the coefficient of static friction between the crate and the plane is µ, = 0.25.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Quickly please.

30°
F8-3
PROBLEMS
•8-1. Determine the minimum horizontal force P
8
required to hold the crate from sliding down the plane. The
crate has a mass of 50 kg and the coefficient of static friction
between the crate and the plane is µ, = 0.25.
tl
is
8-2. Determine the minimum force P required to push
the crate up the plane. The crate has a mass of 50 kg and the
coefficient of static friction between the crate and the plane
is μ, -0.25.
tl
8-3. A horizontal force of P = 100 N is just sufficient to
hold the crate from sliding down the plane, and a horizontal
force of P = 350 N is required to just push the crate up the
plane. Determine the coefficient of static friction between
the plane and the crate, and find the mass of the crate.
30
Probs. 8–1/2/3
8
le
*8–4. If the coefficient of static friction at A is u, = 0.4
and the collar at B is smooth so it only exerts a horizontal
force on the pipe, determine the minimum distance x so
that the bracket can support the cylinder of any mass
without slipping. Neglect the mass of the bracket.
tl
tl
fi
100 mm
fr
fr
200 mm

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